NVD

CVE-2015-7256 Detail

Description

ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.

Severity

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score: 5.9 MEDIUM

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.kb.cert.org/vuls/id/566724	Third Party Advisory US Government Resource
http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-310	Cryptographic Issues	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Initial Analysis by NIST 10/11/2017 1:59:55 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:c1000z_firmware:-::::::: OR cpe:2.3:h:zyxel:c1000z:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:fr1000z_firmware:-::::::: OR cpe:2.3:h:zyxel:fr1000z:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:gs1900-24_firmware:-::::::: OR cpe:2.3:h:zyxel:gs1900-24:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:gs1900-8_firmware:-::::::: OR cpe:2.3:h:zyxel:gs1900-8:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:nwa1100-n_firmware:-::::::: OR cpe:2.3:h:zyxel:nwa1100-n:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:nwa1100-nh_firmware:-::::::: OR cpe:2.3:h:zyxel:nwa1100-nh:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:nwa1121-ni_firmware:-::::::: OR cpe:2.3:h:zyxel:nwa1121-ni:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:nwa1123-ac_firmware:-::::::: OR cpe:2.3:h:zyxel:nwa1123-ac:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:nwa1123-ni_firmware:-::::::: OR cpe:2.3:h:zyxel:nwa1123-ni:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:p-660hn-51_firmware:-::::::: OR cpe:2.3:h:zyxel:p-660hn-51:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:p-663hn-51_firmware:-::::::: OR cpe:2.3:h:zyxel:p-663hn-51:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:p8702n_firmware:-::::::: OR cpe:2.3:h:zyxel:p8702n:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:pmg5318-b20a_firmware:-::::::: OR cpe:2.3:h:zyxel:pmg5318-b20a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:q1000_firmware:-::::::: OR cpe:2.3:h:zyxel:q1000:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:sbg3300-n000_firmware:-::::::: OR cpe:2.3:h:zyxel:sbg3300-n000:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:sbg3300-nb00_firmware:-::::::: OR cpe:2.3:h:zyxel:sbg3300-nb00:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:sbg3500-n000_firmware:-::::::: OR cpe:2.3:h:zyxel:sbg3500-n000:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg1312-b10a_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg1312-b10a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg1312-b30a_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg1312-b30a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg1312-b30b_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg1312-b30b:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg4380-b10a_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg4380-b10a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg8324-b10a_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg8324-b10a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg8924-b10a_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg8924-b10a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vmg8924-b30a_firmware:-::::::: OR cpe:2.3:h:zyxel:vmg8924-b30a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:vsg1435-b101_firmware:-::::::: OR cpe:2.3:h:zyxel:vsg1435-b101:-:::::::*
Added	CVSS V2		(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Added	CVSS V3		AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Added	CWE		CWE-310
Changed	Reference Type	http://www.kb.cert.org/vuls/id/566724 No Types Assigned	http://www.kb.cert.org/vuls/id/566724 Third Party Advisory, US Government Resource
Changed	Reference Type	http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml No Types Assigned	http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2015-7256
NVD Published Date:
09/27/2017
NVD Last Modified:
10/11/2017
Source:
CERT/CC

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National Vulnerability Database